Dream presented in literature among the often "false", "false" analogy exists with Buddhism which is a false than Yu Renshi has its common, to dream, the dreamer of dreams often feel different there are all sorts of changes in psychological time, a long time in the dream, the reality may be nothing but a brief moment, the basic nature of dreams have condensed the time, and Buddhism as the personal views of short exact same. In addition, after wake up, the dream of all the things everyone can not have in reality, "Dream" thus adds to the dead of the false nature, and to become a metaphor for the relationship exists. Wang after Baxiang Hermitage, that "dream" compress time, the historical reality of a dream condensed into a short, through this way people understand everything characteristic emptiness of all things, and this self-comforting, purpose of alleviating the gap between ideal and reality.